From: A flexible online platform for computerized adaptive testing
 | Platform | R1–Flexible testing strategy | R2–Configurable item selection algorithm | R3–Flexible termination criterion | R4–Integration with other platforms | R5–Arbitrary item types and domains |
---|---|---|---|---|---|---|
Platforms for web-based delivery of CAT | Concerto | Yes | Yes | Yes | No–standalone platform | Limited–answers necessary via HTML forms |
IRT-CAT |  | Limited–three pre-specified algorithms |  | No–standalone platform |  | |
CAT-MID | No–fixed | No–fixed | No–fixed | Possible via Adobe Flash | Limited–two different item types | |
Learning Platforms with CAT features | SIETTE | Limited–two different testing modes | Limited–three pre-specified algorithms | Limited–max. number of items can be spec. | No–standalone platform | Yes–via self-assessing Java applets |
(Huang et al., 2009) | No–fixed | No–fixed | No–fixed | Possible because of modular architecture |  | |
MISTRAL | No–fixed | No–fixed | No–fixed |  | Discussed, but impl. not elaborated | |
(Duda & Walter, 2012) |  |  |  | Possible via service-oriented architecture | Limited–different types of multiple choice |